Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Exploit for CVE-2026-46243

cifswitch-check A shell script to check whether a Linux syste...

Exploit for CVE-2026-46243

CIFSwitch Checker - CVE-2026-46243 Checker para Linux que p...

Exploit for CVE-2026-46243

CIFSwitch Checker - CVE-2026-46243 Checker para Linux que p...

Linux Distros Unpatched Vulnerability : CVE-2026-46243

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority- bearing fields such as pid, uid, creduid, and upcalltarge...

CVE-2026-46243

A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...

CVE-2026-46243

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

EUVD-2026-33668

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

CVE-2026-46243

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

CVE-2026-46243 smb: client: reject userspace cifs.spnego descriptions

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcalltarget that cifs.upcall treats as kernel-originating inputs. However,...

PT-2026-45478

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcall target that cifs.upcall treats as kernel-originating inputs. However,...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a denial-of-service attack in the user space for the cifs.spnego process. This vulnerability could lead...

RLSA-2026:21706 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-39981 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: ALSA: firewire-motu: fix buffer...

RockyLinux 9 : kernel (RLSA-2026:21556)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:21556 advisory. kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setti...

RockyLinux 8 : kernel-rt (RLSA-2026:21745)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:21745 advisory. kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-39981 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

kernel: smb: client: validate the whole DACL before rewriting it in cifsacl

A flaw was found in the Linux kernel's Server Message Block SMB client, specifically within the cifsacl functionality. A malicious SMB server could provide a malformed Discretionary Access Control List DACL that claims to contain more Access Control Entries ACEs than are actually present. This...

kernel security update

4.18.0-553.126.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

Unity Linux 20.1060e / 20.1070e Security Update: cifs-utils (UTSA-2026-016660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016660 advisory. A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: fixed page frag corruption upon a page fault. Steffen reported a corruption of the TCP stream for HTTP requests served by the Apache web-server, using a CIFS mount-point and the corresponding file’s memory mapping. The root...

Astra Linux - уязвимость в linux-6.1, linux, linux-5.15, linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed a use-after-free bug in cifsdebugdataprocshow Skipped SMB sessions that are being terminated e.g., @ses-sesstatus == SESEXITING in cifsdebugdataProcShow to avoid use-after-free in @ses. This fixes the...